àbó noun /à.bó/
Definitions
  1. younger sibling Ekiti
Dialect
Àkúrẹ́, Ìgbàrà-Òkè/Ùgbàrà-Òkè, Ìlárá-Mọ̀kín/Ùláá dialect form of àbúrò noun
Source: Wiktionary · etymology 1, where this word is spelled “abo”. Reference: en-abo-yo-noun-bZxpv2Lk